<!--
 * Copyright 2022 The kubegems.io Authors
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. 
-->
<template>
  <div v-highlight class="markdown-body" v-html="html" />
</template>

<script lang="ts" setup>
  import MarkdownIt from 'markdown-it';
  import { ComputedRef, computed } from 'vue';

  const props = withDefaults(
    defineProps<{
      content?: string;
    }>(),
    {
      content: '',
    },
  );

  const md = new MarkdownIt();
  const html: ComputedRef<string> = computed(() => {
    const res = md.render(props.content);
    return htmlDecodeByRegExp(res);
  });

  const htmlDecodeByRegExp = (str: string): string => {
    var s = '';
    if (str.length == 0) return '';
    s = str.replace(/&amp;/g, '&');
    s = s.replace(/&lt;/g, '<');
    s = s.replace(/&gt;/g, '>');
    s = s.replace(/&nbsp;/g, ' ');
    s = s.replace(/&#39;/g, "'");
    s = s.replace(/&quot;/g, '"');
    return s;
  };
</script>
